Deleting the button assignments

1. Press buttons 1 and 8 simultaneously for approx. five seconds.

2. "OK"

    See also:

    Note
    If equipped with Business mobile phone preparation equipment package or without mobile phone preparation. ...

    Automatic deactivation during forward travel
    The system switches off when a certain driving distance or speed is exceeded. Switch the system back on if necessary. ...

    Sound output
    Switching on/off When the ignition is switched off: press ON/OFF button on the radio. Muting When the ignition is switched on or the engine is running: press the ON/OFF button on the radio. ...